Blog

Given exam_scores = [ [32, 28, 36, 38]; [27, 31, 29, 33]; [37, 39, 40, 40]; [36, 34, 30, 35] ]; Where each row includes the scores for one student on each of 4 exams. Which command will produce a row array of the average exam score across all students?

Which of the following successfully swaps the values of the variables heads and tails?

What is output? samples = [5, 3, 7; 1, 4, 9; 2, 6, 3];partial_samples = samples(:, 2:end)

Which of the following commands will return a 5× 4 matrix with ones along the main diagonal?

What is the value of thursAppts? % number of appointments in a weeknumAppointments = [23, 31, 20, 30, 29, 32, 19];midWeek = numAppointments(3:end-2)thursAppts = midWeek(:,end)

What is realmax defined as by default?

Which of the following commands will return a 5× 4 matrix with ones along the main diagonal?

Which code represents a data grid?

True or False; Based on the rock cycle, a rock that is melted and recrystallized can be considered a metamorphic rock because it has changed from its original state?

Glaciers move by?